Security app

Is it possible to design small application in Qt for multi level security?For example I have users with different levels of permissions (Adminstartor, guest, public). I have some files on the disk. Then I can assign security level of each file file based on user level. When user login with that permission he can see only those files he has access to. What Qt module i should be looking at?

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Originally Posted by user_mail07

Is it possible to design small application in Qt for multi level security?

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If you mean something within your application then yes.

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What Qt module i should be looking at?

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Hmm... QtCore?

Is it better to develop multi level security application in linux or windows? I need to access user level controls.

Doesn't really matter if you are doing all the authentication yourself...